Have I Been Pwned? What to Do After Password Breach - DNSstuff

Find out if your password has been pwned—without sending it to a server

"Have I been pwnd?"-- What is it and what to do when you *are* pwned

Have You Been Pwned? Firefox Tool Will Tell You

Checking for Pwned Passwords in Active Directory

16 billion passwords leaked: Here is how to check if your account was hacked